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Herbaceous Perennial

Tanacetum macrophyllum (Waldst. & Kit.) Sch.Bip.

rayed tansy

A bushy, rhizomatous perennial, to around 1m high in flower, with large, deeply divided, fern-like green leaves. Broad, dome-shaped heads of very small, daisy-like white flowers are produced in summer

Other common names
tansy chrysanthemum
Synonyms
Achillea grandifolia misapplied
Chrysanthemum macrophyllum
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green Yellow
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Genus

Tanacetum can be annuals, evergreen or herbaceous perennials or sub-shrubs, with simple or pinnately divided leaves and solitary or clustered, terminal, daisy-like or button-like flower-heads

Name status

Correct

Plant range
Turkey, Transcaucasus

How to grow

Cultivation

Thrives in moist but well-drained, humus-rich soils, but will tolerate a range of conditions including poor, dry soils where it will spread more slowly. May benefit from some early afternoon shade in warmer areas

Propagation

Propagate by seed or by division

Suggested planting locations and garden types
  • Cottage and informal garden
  • Mediterranean climate plants
  • Prairie planting
  • Wildflower meadow
  • Cut flowers
  • Flower borders and beds
Pruning

No pruning required; deadhead if seed is not required

Pests

May be susceptible to aphids and leaf and bud eelworms

Diseases

Generally disease-free

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